rapes per minute. name of a frequently referenced statistic in new york.
x. rotation per minute is also the unit that indicates how many times a radar antenna rotates per minute... radar antennas have different rpm depending on their intended use...
rpm is also used in shipping. it indicates the number of turns of the propeller.
rounds per minute.. unit of measurement that indicates how many times something rotates per minute.. used to express engine speed at most..
the rotation speed of the earth is 0.000696 rpm.
can be thought of as revolutions per minute.
submarines call it lathe instead.
(see rendezvous pitch maneuver) does this before the space shuttle locks onto the international space station. for example, you can watch the last one, which will probably be held in history, live right now at http://www.ustream.tv/nasahdtv. don't miss it! (see: sts-135)